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php,该如何处理

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Release： 2016-06-13 12:08:42
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php
$searchFlg = @$form['searchFlg'];
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------解决思路----------------------
@是錯誤抑制符。
@$form['searchFlg']; 表示$form['searchFlg'];不存在時，不會提示警告信息。
------解决思路----------------------
错误控制运算符：@。当将其放置在一个 PHP 表达式之前，该表达式可能产生的任何错误信息都被忽略掉


上面语句如果不用@ 并且  $form中没有searchFlg项   会出现一个notice的报错



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